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參數資料
| 型號： | AD7151BRMZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CAP CONV 1CH ULT LP 10MSOP |
| 標準包裝： | 3,000 |
| 類型： | 電容數字轉換器 |
| 輸入類型： | 電壓 |
| 輸出類型： | 數字 |
| 接口： | 2 線串口 |
| 電流 - 電源： | 120µA |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 10-MSOP |
| 包裝： | 帶卷 (TR) |
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Ultra-Low Power, 1-Channel, Capacitance
Converter for Proximity Sensing
AD7151
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesfor itsuse,norfor anyinfringements ofpatents orother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
2007 Analog Devices, Inc. All rights reserved.
FEATURES
Ultra-low power
2.7 V to 3.6 V, 70 μA
Response time: 10 ms
Adaptive environmental compensation
1 capacitance input channel
Sensor capacitance (CSENS) 0 pF up to 13 pF
Sensitivity to 1 fF
EMC tested
2 modes of operation
Standalone with fixed settings
Interfaced to a microcontroller for user-defined settings
Proximity detection output flag
2-wire serial interface (I2C compatible)
Operating temperature
40°C to +85°C
10-lead MSOP package
APPLICATIONS
Proximity sensing
Contactless switching
Position detection
Level detection
GENERAL DESCRIPTION
The AD7151 delivers a complete signal processing solution for
capacitive proximity sensors, featuring an ultra-low power
converter with fast response time. The AD7150 is a 2-channel
alternative to the AD7151.
The AD7151 uses Analog Devices, Inc., capacitance-to-digital
converter (CDC) technology, which combines features
important for interfacing to real sensors, such as high input
sensitivity and high tolerance of both input parasitic ground
capacitance and leakage current.
The integrated adaptive threshold algorithm compensates for
any variations in the sensor capacitance due to environmental
factors like humidity and temperature or due to changes in the
dielectric material over time.
By default, the AD7151 operates in standalone mode using the
fixed power-up settings and indicates detection on a digital
output. Alternatively, the AD7151 can be interfaced to a
microcontroller via the serial interface, the internal registers can
be programmed with user-defined settings, and the data and
status can be read from the part.
The AD7151 operates with a 2.7 V to 3.6 V power supply. It is
specified over the temperature range of 40°C to +85°C.
FUNCTIONAL BLOCK DIAGRAM
DIGITAL
FILTER
SERIAL
INTERFACE
CIN
CSENS
EXC
Σ-Δ CDC
EXCITATION
THRESHOLD
SCL
VDD
GND
AD7151
SDA
OUT
0
70
86
-0
01
Figure 1.
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| AD7152 | 制造商:AD 制造商全稱:Analog Devices 功能描述:12-Bit Capacitance-to-Digital Converter |
| AD7152BRMZ | 功能描述:IC CDC 12BIT 2/4CH 10MSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - ADCs/DAC - 專用型 系列:- 產品培訓模塊:Data Converter Basics 標準包裝:1 系列:- 類型:電機控制 分辨率（位）:12 b 采樣率（每秒）:1M 數據接口:串行，并聯 電壓電源:單電源 電源電壓:2.7 V ~ 3.6 V，4.5 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:100-TQFP 供應商設備封裝:100-TQFP（14x14） 包裝:剪切帶 (CT) 其它名稱:296-18373-1 |
| AD7152BRMZ-REEL | 功能描述:IC CDC 12BIT 2/4CH 10MSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - ADCs/DAC - 專用型 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數據采集系統（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數據接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應商設備封裝:40-TQFN-EP（6x6） 包裝:托盤 |
| AD7153 | 制造商:AD 制造商全稱:Analog Devices 功能描述:12-Bit Capacitance-to-Digital Converter |
| AD7153BRMZ | 功能描述:IC CDC 12BIT 1/2CH 10MSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - ADCs/DAC - 專用型 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數據采集系統（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數據接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應商設備封裝:40-TQFN-EP（6x6） 包裝:托盤 |
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